#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time    : 2018-12-05 14:51
# @Author  : 少爷

Sn = 100.0
Hn = Sn / 2

for n in range(2, 11):
    Sn += 2 * Hn
    Hn /= 2

print 'Total of road is %f' % Sn
print 'The tenth is %f meter' % Hn
